Abstract
Introduction: Angle in 1899 propounded the classification to recognize the malocclusion patterns. Class II Division 1 is a malalignment which can be identified by the parameters mentioned.Objective: To assess the knowledge of dental undergraduate students about Class II Division 1 malocclusion and their opinion about the treatment or clinical approach to such patients. Materials & Method: The study was performed using closed questionnaire on 138 fourth and final year undergraduate dental students of College of Dental Sciences, Bharatpur, Nepal. Dental casts and photographs of a patient with Class II Division 1 were shown to the respondents to depict deviated midline, midline diastema, molar relation, increased overjet and overbite.Result: Dental students found it easy to identify increased overjet (91.99%), increased overbite (88.78%), presence of diastema (84.69%) and midline deviation (77.28%). However, 52% students could not identify the molar relationship. When asked about the appropriate timing for treatment; 48.8% thought it should be in deciduous dentition period, 41.6% in mixed dentition, and 9.6% in permanent dentition.Conclusion: Fourth and final year BDS students possess fair knowledge on common parameters used to determine Class II Division 1 malocclusion but they find difficulties in compiling and applying this knowledge to orthodontic treatment concept.
Highlights
Angle in 1899 propounded the classification to recognize the malocclusion patterns
The curriculum should make a foundation of the knowledge required to diagnose the malocclusion correctly.[3]
The results showed 54% positive response on academic knowledge, 60% can handle orthodontic emergencies, and 70% are aspired to go for higher education in this field.[8]
Summary
Angle in 1899 propounded the classification to recognize the malocclusion patterns. Class II Division 1 is a malalignment which can be identified by the parameters mentioned. Best treatment protocol can be formulated by considering maxillo-mandibular features, vertical and sagittal components of skeletal growth along with the dentofacial abnormalities. Eruption pattern of the teeth and tooth buds can be assessed to determine the dental age of the patient.[2] Dental age and chronological age are crucial factors in treatment plan of a Class II Division 1 malocclusion. Another consideration for treatment planning is the pubertal growth spurt which occurs between 9-12 years in girls and 11-13 years in boys.[3]
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